Spring House
Natural gas power plant in Montgomery County, Pennsylvania. 3.8 MW of nameplate capacity across 1 generator, operated by Janssen Pharmaceutical Co.
Also known as EIA plant 59056
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 3.8 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- April 2013First generator online
- Operator
- Janssen Pharmaceutical CoEIA operator ID 57130
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Montgomery County, PA40.1839, −75.2342
- EIA plant ID
- 59056EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Spring House produces
Free · EIA-923Net generation, 2025
18.5 GWh
18,502 MWh, final
Capacity factor, 2025
55.6%
2024: 37.2%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
8.1–24.2
GWh a year. Low 2023, high 2015
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | 17,944 | Not reported | 9 of 12 |
| 2014 | 23,503 | 70.6% | 12 of 12 |
| 2015 | 24,197 | 72.7% | 12 of 12 |
| 2016 | 23,445 | 70.2% | 12 of 12 |
| 2017 | 21,790 | 65.5% | 12 of 12 |
| 2018 | 17,309 | 52.0% | 12 of 12 |
| 2019 | 20,068 | 60.3% | 12 of 12 |
| 2020 | 22,086 | 66.2% | 12 of 12 |
| 2021 | 23,367 | 70.2% | 12 of 12 |
| 2022 | 15,389 | 46.2% | 12 of 12 |
| 2023 | 8,090 | 24.3% | 12 of 12 |
| 2024 | 12,427 | 37.2% | 12 of 12 |
| 2025 | 18,502 | 55.6% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN 1 | Natural Gas Internal Combustion Engine | 3.8 | April 2013 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Janssen Pharmaceutical Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Spring House
More plants operated by Janssen Pharmaceutical Co
Questions about Spring House
How much power does Spring House produce?
Spring House reported 18,502 MWh (18.5 GWh) of net generation in 2025, a 55.6% capacity factor on 3.8 MW of nameplate capacity.
Where is Spring House?
Spring House is in Montgomery County, Pennsylvania, at 40.1839, −75.2342. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Spring House?
EIA-860M for August 2026 lists Janssen Pharmaceutical Co as the operator (EIA operator ID 57130). The operator is not always the owner.
When did Spring House start operating?
Its first generator began operating in April 2013, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page